Add 30/63 and 90/12
1st number: 30/63, 2nd number: 7 6/12
30/63 + 90/12 is 335/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
30/63 = 30 × 4/63 × 4 = 120/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
90/12 = 90 × 21/12 × 21 = 1890/252 - Add the two like fractions:
120/252 + 1890/252 = 120 + 1890/252 = 2010/252 - 2010/252 simplified gives 335/42
- So, 30/63 + 90/12 = 335/42
In mixed form: 741/42
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